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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionRomoosRoos Bau AG
Roos Bau AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Roos Bau AG encompasses civil engineering and construction work, particularly: forest road and path construction, nature conservation and renaturation, transportation, slope and embankment stabilization, spring capture, blasting and rock excavation, and forestry and demolition work. The company thus offers a wide range of services in the field of civil engineering and infrastructure.

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Roos Bau AG

Site Preparation
Logistics & Transport Companies
✓ Offered8
Forest roads and path construction
Forest road and path construction, maintenance with edging, re-forming the drainage ditch, building a wearing layer, installing culverts, stabilising the subgrade, concrete wheel tracks, retaining walls, footpaths as well as cattle drive and riding paths.
Demolition and civil engineering
Demolition and civil engineering, general civil works, pipeline construction, mast foundations for cable cars, pile foundations, sondages, well construction, soil stabilisation as well as demolition and disposal.
Slope and embankment stabilisation
Slope and embankment stabilisation with timber box shoring, blockwork with natural stones, piles, concrete foundations in rock, micropiles, drainage, stabilisation with lime and greening of steep areas.
Nature conservation and renaturation
Nature conservation and renaturation works, removal of neophytes and shrubs/woody vegetation, maintenance of ditches and channels, mowing, renaturation of raised bog areas, and construction of groynes and fish habitats.
Transport services
Transport of machines, natural stone, gravel and humus with a 5-axle two-side tipper up to 23 t, as well as transport of excavators and muck between construction sites.
Spring intake
Spring intakes, new construction and renovation of drinking-water facilities and reservoirs, searching for and capturing springs, working under difficult conditions and sealing against infiltrating (foreign) water.
Blasting and rock excavation
Blasting rock and boulders, rational rock excavation, as well as crushing and risk reduction of rock overhangs above roads or residential settlements.
Forestry
Forestry work, clearing of timber-harvest areas and storm-damaged areas, preparation for planting, clearing of thorns and other maintenance work with machine and personnel on an hourly basis or lump sum.
Trust & reputation

ranQ Trust Score of Roos Bau AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Roos Bau AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Roos Bau AG scores 85.5 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.100.012%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.55.07%
Roos Bau AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).83.322%
Roos Bau AG scores 3.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.3.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Roos Bau AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Hier entsteht die Karte
Lingetlistrasse 1
6113 Romoos

At a glance

Legal form
Corporation
UID
CHE-106.788.427
Founded
1997 · 29 years
Last commercial register change
January 5, 2026
Employees
1 to 10
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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